src/target/openrisc/or1k_du.h

   1 /***************************************************************************
   2  *   Copyright (C) 2013 Franck Jullien                                     *
   3  *   elec4fun@gmail.com                                                    *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program.  If not, see <http://www.gnu.org/licenses/>. *
  17  ***************************************************************************/
  18
  19 #ifndef OPENOCD_TARGET_OPENRISC_OR1K_DU_H
  20 #define OPENOCD_TARGET_OPENRISC_OR1K_DU_H
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include "config.h"
  24 #endif
  25
  26 #define CPU_STALL       0
  27 #define CPU_UNSTALL     1
  28
  29 #define CPU_RESET       0
  30 #define CPU_NOT_RESET   1
  31
  32 int or1k_du_adv_register(void);
  33
  34 /* Linear list over all available or1k debug unit */
  35 extern struct list_head du_list;
  36
  37 struct or1k_du {
  38         const char *name;
  39         struct list_head list;
  40         int options;
  41
  42         int (*or1k_jtag_init)(struct or1k_jtag *jtag_info);
  43
  44         int (*or1k_is_cpu_running)(struct or1k_jtag *jtag_info, int *running);
  45
  46         int (*or1k_cpu_stall)(struct or1k_jtag *jtag_info, int action);
  47
  48         int (*or1k_cpu_reset)(struct or1k_jtag *jtag_info, int action);
  49
  50         int (*or1k_jtag_read_cpu)(struct or1k_jtag *jtag_info,
  51                                   uint32_t addr, int count, uint32_t *value);
  52
  53         int (*or1k_jtag_write_cpu)(struct or1k_jtag *jtag_info,
  54                                    uint32_t addr, int count, const uint32_t *value);
  55
  56         int (*or1k_jtag_read_memory)(struct or1k_jtag *jtag_info, uint32_t addr, uint32_t size,
  57                                         int count, uint8_t *buffer);
  58
  59         int (*or1k_jtag_write_memory)(struct or1k_jtag *jtag_info, uint32_t addr, uint32_t size,
  60                                          int count, const uint8_t *buffer);
  61 };
  62
  63 static inline struct or1k_du *or1k_jtag_to_du(struct or1k_jtag *jtag_info)
  64 {
  65         return (struct or1k_du *)jtag_info->du_core;
  66 }
  67
  68 static inline struct or1k_du *or1k_to_du(struct or1k_common *or1k)
  69 {
  70         struct or1k_jtag *jtag = &or1k->jtag;
  71         return (struct or1k_du *)jtag->du_core;
  72 }
  73
  74 int or1k_adv_jtag_jsp_xfer(struct or1k_jtag *jtag_info,
  75                                   int *out_len, unsigned char *out_buffer,
  76                                   int *in_len, unsigned char *in_buffer);
  77
  78 #endif /* OPENOCD_TARGET_OPENRISC_OR1K_DU_H */